螺旋焊管主要质量指标对照表

1、 HYPERLINK /zbz.html 螺旋焊管主要质量指标对照表标准代号内容项目 HYPERLINK /zbz.html SY/T50337-20000GB/T97111.1-11997（AA级）API Speec 5L(42)适用范围燃气、水、煤气气、空气、采采暖、蒸气等等普通流体输输送管道用钢钢管石油天然气工业业输送用钢管管石油天然气工业业输送用钢管管钢种Q195、Q2215、Q2235L175LL483A、B、X422X700尺寸管体外径D508 0.755%D D508 1.000%DD508 0.755%D D508 1.000%DD508 0.755%D 508D9914 -0

2、.25%D+0.75%DD914 -3.220+6.35管端外径D508 0.755%D 2.55 取小值值 D508 1.000%D 4.5 取小值D273.11 -00.40+1.59 D323.99 -00.79+2.38D273.11 -00.40+1.59 D273.11 -00.79+2.38偏差壁厚D50812.5%tt-12.5%tt+15.0%t-12.5%tt+15.0%tD50810.0%ttL175L2245 -10.0%t+177.5%t不高于B级 -12.5%t+177.5%tL290L5555 -8.0%tt+19.5%t不低于X42 -8.0%t +119.5%

3、tt椭圆度管端100范围围内1%DDD508的钢钢管在距管端端101.66范围内最大大外径不得比比公称外径大大1%;最小小外径不得比比公称外径小小1%D508的钢钢管在距管端端101.66范围内最大大外径不得比比公称外径大大1%;最小小外径不得比比公称外径小小1%弯曲度（直度）不得超过钢管总总长的0.22%不得超过钢管总总长的0.22%不得超过钢管总总长的0.22%管端坡口坡口角 30-35 钝边1.660.8坡口角30-35 钝边1.590.79坡口角30-35 钝边1.590.79切斜D813 , 1.66 D813 , 3.001.591.59错边t12.70.35t且不不得大于3.01

4、.591.59t12.70.25t0.1251与与3.18的的取最小值0.1251与与3.18的的取最小值焊缝余高t1333.2 t13 4.8t12.73.188 t12.7 4.776t12.73.188 t12.7 4.776化学分析每熔炼批取1个个试样每熔炼批取2个个试样每熔炼批取2个个试样拉伸试样每检验批取一个个焊接接头试试样母材:每熔炼批批取1个试样样 螺旋焊缝:每熔熔炼批取1个个试样对头焊缝:不多多于50根取取一个试样母材:每熔炼批批取1个试样样 螺旋焊缝:每熔熔炼批取1个个试样对头焊缝:不多多于50根取取一个试样导向弯曲试验不做每检验批取一个个正弯试样和和一个反弯试试样,对头焊

5、焊缝不多于550根取一个个正弯试样和和一个反弯试试样每检验批取一个个正弯试样和和一个反弯试试样,对头焊焊缝不多于550根取一个个正弯试样和和一个反弯试试样断裂韧性试验不做合同要求时,夏夏比冲击每熔熔炼批取3个个; D508时,落锤冲击每每熔炼批取22个合同要求时,夏夏比冲击每熔熔炼批取3个个; D508时,落锤冲击每每熔炼批取22个无损检验补焊焊缝,对头头焊缝,环向向焊缝应进行行X射线或超超声波检验;螺旋焊缝抽抽查20%的的钢管,用于于可燃气体输输送管的螺旋旋焊缝应1000%的检验验100X检验或或100%超超声波检测,加对头焊缝缝、丁字焊缝缝和管端2003mm XX射线检验100X检验或或1

6、00%超超声波检测,加对头焊缝缝、丁字焊缝缝和管端2003mm XX射线检验D:钢管公称外外径,mm t:钢管管公称壁厚,mm 静水压压试验的试验验应力,MPPa;L:单单根钢管长度度P:静水压试验验压力,Paa HYPERLINK /llzl.html 钢管规格重量 HYPERLINK /syz.html 钢管静水压值 HYPERLINK /ggcf.html 钢管性能成份螺旋钢管规格 钢管尺寸 钢管型号 钢管的的规格一般以以钢管的外径径 D 、内内径和壁厚 S 的毫米米（ mm ）数标定。 钢管尺尺寸分不定尺尺和定尺：不不定尺（通常常长度） 凡凡产品尺寸（长长度或宽度），在在标准规定范范围

7、内，而又又不要求固定定尺寸的叫不不定尺。 定尺 按订货要求求切成固定尺尺寸的称为定定尺。按定尺尺长度交货时时，所交金属属材料必须具具有需方在订订货合 同中中指定的长度度。因此规定定了允许有偏偏差。钢管理论重量567891011121314151618D21926.8832.0237.1042.13D24530.0935.8641.5947.26D27333.5540.0146.4252.7859.1065.36D32539.9647.7055.4063.0470.6478.18D37746.3755.4063.8773.3082.1891.01D42652.4162.6572.3382.979

8、3.05102.59113.08123.02D47858.8270.3481.8193.23104.60115.92127.19138.41D52965.1177.8990.61103.29115.92128.49141.02153.50D63092.83108.05123.22138.33153.40168.42183.39198.31213.18D720106.15123.59140.97158.31175.60192.84210.02227.16244.25D820120.95140.85160.70180.50200.26219.96239.62259.22278.78D920158.

9、10180.43202.70224.92247.09269.21291.28313.31335.28357.20D1020200.16224.89249.58274.22298.81323.34347.822372.27396.66445.29D1120219.89247.09274.24301.35328.40355.40382.36409.26436.12489.69D1220239.62269.29298.9328.47357.99387.46416.888446.26475.58534.08D1320219.48323.57355.60387.59419.52451.41483.255

10、15.04578.47D1420313.68348.23382.73417.18451.58485.944520.24554.50622.86D1520335.87372.89409.86446.77483.64520.46557.23593.95667.25D1620358.08397.55436.98476.37515.70554.99594.23633.41711.64D1820446.87491.24535.56579.82624.04668.21712.33800.42D1920471.53518.37565.15611.88658.57705.20751.79844.81D2020

11、496.20545.49594.74643.94693.09742.19791.25889.20567891011121314151618注：绿色部分分是钢管的生生产范围 5-18mmm是钢管壁壁厚，2199-20200mm是钢管管外径 数值是钢管管理论重量螺旋钢管静水压压试验压力 沧州市市鑫宜达钢管管有限公司,以优质的原原材料,严格格的工艺流程程,完善的检检测设备,生生产水电站用用压力钢管,小水电用螺螺旋钢管,为为您的工程提提供可靠的保保证。公式：2STDD公称外径 mm 壁厚mm 静水水压试验压力力 单位：MPa 1MPa约约等于10公公斤SY/T50337-20000GB/T97111.

12、1-11997Q235B16MnQ235BL3602196/7/87.7/9.00/10.3311.3/133.2/155.110.9/122.8/144.614.8/177.3/199.72736/7/86.2/7.22/8.39.1/10.6/12.18.8/10.2/11.713.5/155.7/177.93256/7/85.2/6.11/6.97.6/8.99/10.227.4/8.66/9.511.3/133.2/155.13776/7/8/994.5/5.22/6.0/6.76.6/7.77/8.8/9.96.4/7.44/8.5/9.59.7/11.4/13.0/14.64266

13、/7/8/99/104.0/4.66/5.3/6.0/66.65.8/6.88/7.8/8.7/99.75.6/6.66/7.5/8.4/99.48.6/10.1/11.5/12.9/14.44786/7/8/99/103.5/4.11/4.7/5.3/55.95.2/6.11/6.9/7.8/88.70.0/5.99/6.7/7.5/88.47.7/9.00/10.22/11.55/12.885296/7/8/99/103.2/3.77/4.3/4.8/55.34.7/5.55/6.3/7.0/77.80.0/5.33/6.0/6.8/77.67.3/8.66/9.8/11.0/12.263

14、06/7/8/99/102.7/3.11/3.6/4.0/44.53.9/4.66/5.3/5.9/66.60.0/4.44/5.1/5.7/66.36.2/7.22/8.2/9.3/110.37206/7/8/99/102.4/2.77/3.1/3.5/33.93.5/4.00/4.6/5.2/55.80.0/3.99/4.4/5.0/55.55.4/6.33/7.2/8.1/99.08206/7/8/99/10/1122.1/2.44/2.8/3.1/33.4/0.03.0/3.55/4.0/4.5/55.0/0.00.0/0.00/3.9/4.4/44.9/0.04.7/5.55/6.3

15、/7.1/77.99207/8/9/110/11/122.1/2.55/2.8/3.1/33.4/3.73.2/3.66/4.1/4.5/55.0/5.40.0/3.55/3.9/4.3/55.24.9/5.66/6.3/7.0/77.7/8.510207/8/9/110/11/121.9/2.22/2.5/2.8/33.0/3.32.8/3.22/3.7/4.1/44.5/4.90.0/3.11/3.5/3.9/44.73.8/4.44/5.1/5.7/66.4/7.0/7.6612208/9/10/11/122/141.8/2.11/2.3/2.5/22.8/3.22.7/3.11/3.4

16、/3.7/44.1/4.82.6/2.99/3.3/3.9/00.04.2/4.88/5.3/5.8/66.4/7.4 HYPERLINK /llzl.html 钢管规格重量 HYPERLINK /zbz.html 钢管标准准对比 HYPERLINK /ggcf.html 钢管性能能成份Q235B 116MN钢管管 L2455 L2900 Q3455钢管的力学学性能和化学学成份钢种力学性能化学成份屈服强度抗拉强度伸长率CSiMnSPMPakg/mmMPakg/mmmin不大于不大于不大于Q215A Q215B21522335-410034-42310.09-0.150.030.25-0.550.050 0.0450.045Q235A Q235BQ235CQ235D23524375-460038-47260.14-0.22 0.12-0.200.180.170.300.30-0.65 0.30-0.700.35-0.800.35-0.800.50 0.450.400.0350.045 0.0450.0400.03516Mn(Q3345B)34535510-600051.60220.12-0.200.20-0.551.2-1.660.0450.045X4228929.541342.10.28-1.250.0300.030X52